Question

Como resolver a fração 8/4 + 3/6 - 2/9

Answer 1

Resposta:

$\frac{41}{18}\ ou\ 2,27$

Explicação passo a passo:

$\frac{8}{4}+\frac{3}{6}-\frac{2}{9}\\\\2+\frac{1}{2}-\frac{2}{9}\ -->Fazendo\ o\ MMC\ de\ 2\ e\ 9\\\\2,9\ /2\\1,9\ /3\\1,3\ /3\\1,1\ \\\\MMC=2\bullet3\bullet3=6\bullet3=18\\\\2+\frac{1}{2}-\frac{2}{9}=\frac{18(2)+9(1)+2(-2)}{18}=\frac{36+9-4}{18}=\frac{41}{18}=2,27$

$ou\\\\\\\frac{8}{4}+\frac{3}{6}-\frac{2}{9} \\\\2+\frac{1}{2}-\frac{2}{9}\\\\2+0,5-0,22\\\\2,5-0,22\\\\2,27$

Answer 2

Resposta:

1/3

Explicação passo a passo:

8/4 simp. 2/1 + 3/6 - 2/9 = 6/18 = 1/3